LAWYER PROFILE
Claude Marseille

Claude Marseille

Canada 2026

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Ranked in 1 practice area

About

Provided by Blake, Cassels & Graydon LLP

Practice Areas

Claude's practice focuses on corporate and commercial litigation, class actions, and product liability. He has appeared before the courts of all levels in Québec, the Federal Court, and the Supreme Court of Canada. He is involved in commercial arbitrations and has appeared before various administrative tribunals. He represents a wide range of clients including pharmaceutical companies, manufacturers, financial institutions, franchisors, telecommunications companies, and public bodies.

Career

In 2018, the Barreau du Québec granted Claude the title of Advocatus Emeritus (Ad. E.) for his exceptional contribution to the practice of law.

Professional Memberships

Claude has been actively involved in leadership roles of the Canadian Bar Association, the Barreau du Québec, the Barreau de Montréal, the International Association of Young Lawyers, and the Young Bar of Montreal. Claude is a governor for life of the Quebec Bar Foundation.

Publications

Claude has taught the Law of Evidence at Université de Montréal’s Faculty of Law, and Civil Liability and Advocacy at the Quebec Bar School. He has authored a number of books, articles and book chapters on Class Actions and the Law of Evidence.

Chambers Review

Provided by Chambers

Chambers Canada Guide

Litigation: General Commercial - Québec

Band 4
Band 4

Individual Editorial

Montréal-based Claude Marseille is a sound choice among clients from a vast array of sectors, with particular expertise in the pharmaceutical industry for advice on disputes.

Editorial individuel

Basé à Montréal, Claude Marseille est un choix judicieux parmi une clientèle provenant d’un large éventail de secteurs, avec une expertise particulière dans l’industrie pharmaceutique pour le conseil en matière de litiges.

Strengths

Provided by Chambers

  • Claude Marseille is extremely strategic in building defense, very well rounded and really understands the complexity of our business.

    Litigation: General CommercialChambers Canada Guide
  • Claude Marseille is very sophisticated and experienced.

    Litigation: General CommercialChambers Canada Guide
  • Claude is a meritorious lawyer. He manages his team well, is hands-on and very strategic.

    Litigation: General CommercialChambers Canada Guide
  • Claude est un avocat méritant. Il gère bien son équipe, il est pratique et très stratégique.

    Litigation: General CommercialChambers Canada Guide
  • Claude Marseille est extrêmement stratégique dans l'élaboration de sa défense, très complet et il comprend vraiment la complexité de notre entreprise.

    Litigation: General CommercialChambers Canada Guide
  • Claude Marseille est très sophistiqué et chevronné.

    Litigation: General CommercialChambers Canada Guide

Ranked Individuals at Blake, Cassels & Graydon LLP (236)

Alberta

British Columbia

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